[Size & Package Content] - Thread Size: 1/4"-20x3"; Threads Per Inch: 20; Head Size: 14.7mm x 3.4mm/0.58" x 0.13"(D*T); Square Neck Width: 6.3mm/0.25"; Package Content: 50pcs x Carriage Bolts Screws
[Sturdy Material] - The carriage screws are made of carbon steel with a zinc-plated finish to make carriage bolts high strength and not easy to rust. Compared to ordinary screws, it has higher corrosion resistance, wear resistance and stronger strength, less prone to damage, and longer service life.
[Secure and Reliable] - The round head design and square neck of these carriage bolts enable a secure and self-locking fit when applied in square holes; The combination of the bolt's useful shape can be used with hex nuts and flat washers ensures reliable and stable fastening for your projects.
[Wide Application] - Carriage bolts are used to fix metal to wood. Widely used in homes and offices, both indoors and outdoors, such as securing headboards, footboards, doors, bed frames, furniture, TV, engineering, or other DIY projects.
[Carriage Bolt Screws] - The carriage bolt has many different sizes for you to choose from; These various sizes can satisfy a wide variety of needs, ensuring robust structural support across a host of applications.